Crews are working on a burst water main in Phillip, which also may be impacting Lyons.
The burst water main is impacting two lanes of traffic on Hindmarsh Drive, eastbound before Callam Street. Drivers should expect minor delays.
A statement from Icon Water said the outage may cause discolouration and a disruption to water services.
"Our team is onsite and working hard to finish these essential works as quickly as possible. We appreciate your patience while we undertake repairs.
"If you have any questions or concerns please contact our 24/7 faults and emergency hotline on 02 6248 3111."
It is expected to take several hours to be repaired.
